Data Transformation & Analytics Software Engineer II

Cornerstone Defense LLC; Annapolis (MD); On-site; USD 170,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental and Vision Plans

Generous PTO Policy

401(k)

HSA and FSA options

Life and Disability Insurance

Tuition Reimbursement and Training

Perks at Work Discount Program

Referral Program

Leads Generation Program

CollegeAmerica 529

Fitness Reimbursement Program

Travel Assistance

Norton Lifelock Benefit Solutions

Life Planning Financial & Legal Servic

Job summary

Cornerstone Defense LLC is seeking a Software Engineer 2 focused on Data Transformation & Analytics in Annapolis Junction, MD, with an active TS/SCI w/ Polygraph clearance required to apply. The role centers on transforming raw, unstructured data into clean, high-quality datasets for advanced analytics and decision-making.

Compensation ranges from $170K to $190K annually, reflecting seniority and security requirements.

Qualifications

• Master’s degree in computer science or related discipline, plus 3 years SWE experience; or Bachelor’s degree plus 5 years; or 7 years SWE experience.

Responsibilities

• Identify ways to create repeatable data transformation capabilities.
• Transform raw, complex, unstructured data into clean, analysis-ready datasets.
• Support advanced analytics, predictive modeling, and data-driven decisions across the organization.

Skills

Linux CLI

Bash scripting

Python

Apache Spark

Jupyter Notebook

Pandas

NumPy

Data wrangling

Data quality

Data validation

Anomaly detection

Git

Education

Master's degree in computer science or related discipline

Bachelor's degree in computer science or related discipline

7+ years of SWE experience

Tools

Jira

Confluence

Slurm

Apache Airflow

Job description

Cornerstone Defense LLC is seeking a Software Engineer 2 focused on Data Transformation & Analytics in Annapolis Junction, MD, with an active TS/SCI w/ Polygraph clearance required to apply. The role centers on transforming raw, unstructured data into clean, high-quality datasets for advanced analytics and decision-making.

Compensation ranges from $170K to $190K annually, reflecting seniority and security requirements.